package sourceread;

import java.io.Serializable;
import java.util.AbstractMap;
import java.util.Map;
import java.util.Set;

/**
 * @author zhuqiang
 */
public class MyHashMap<K,V> extends AbstractMap<K,V>
        implements Map<K,V>, Cloneable, Serializable {
    @Override
    public Set<Entry<K, V>> entrySet() {
        return null;
    }
}
